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20130121
20130129
Search Results 0 to 4 of about 5 (some duplicates have been removed)
together, we've helped make san francisco america's greenest city. >> reporter: c.e.o. and president mike sangiacamo took us on a tour of recology's sprawling 22-acre composting facility northeast of san francisco. >> in terms of food waste composting, this is as good as it gets. we're creating a product that can be used on the soil to replenish nutrients that growing food crops take out of the soil. >> reporter: food scraps and yard clippings brought here-- some 400 tons a day- are turned into rich compost that is now being used by vineyards in napa and sonoma. in the rest of the nation, where composting is a rarity, 97% of food waste is disposed of in landfills, and that causes environmental problems, according to regional epa director jared blumenfeld. >> about half the food we buy from the supermarket ends up going into the landfill. that's unacceptable. the stuff that rots and smells produces methane, which is a very, very potent greenhouse gas. and even if there's a cover on the top of just soil and stuff, that goes into the atmosphere and is really contributing in a large way to cl
Search Results 0 to 4 of about 5 (some duplicates have been removed)